Line data Source code
1 : /* yesno.c - Yes/No questions
2 : * Copyright (C) 1998, 1999, 2000, 2001, 2003 Free Software Foundation, Inc.
3 : *
4 : * This file is part of GnuPG.
5 : *
6 : * This file is free software; you can redistribute it and/or modify
7 : * it under the terms of either
8 : *
9 : * - the GNU Lesser General Public License as published by the Free
10 : * Software Foundation; either version 3 of the License, or (at
11 : * your option) any later version.
12 : *
13 : * or
14 : *
15 : * - the GNU General Public License as published by the Free
16 : * Software Foundation; either version 2 of the License, or (at
17 : * your option) any later version.
18 : *
19 : * or both in parallel, as here.
20 : *
21 : * This file is distributed in the hope that it will be useful,
22 : * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 : * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 : * GNU General Public License for more details.
25 : *
26 : * You should have received a copy of the GNU General Public License
27 : * along with this program; if not, see <https://www.gnu.org/licenses/>.
28 : */
29 :
30 : #include <config.h>
31 : #include <stdlib.h>
32 : #include <errno.h>
33 :
34 : #include "i18n.h"
35 : #include "util.h"
36 :
37 :
38 : /* Check the string S for a YES or NO answer and take care of
39 : localization. If no valid string is given the value of DEF_ANSWER
40 : is returned. Returns 1 for yes and 0 for no. */
41 : int
42 0 : answer_is_yes_no_default (const char *s, int def_answer)
43 : {
44 : /* TRANSLATORS: See doc/TRANSLATE about this string. */
45 0 : const char *long_yes = _("yes");
46 0 : const char *short_yes = _("yY");
47 : /* TRANSLATORS: See doc/TRANSLATE about this string. */
48 0 : const char *long_no = _("no");
49 0 : const char *short_no = _("nN");
50 :
51 : /* Note: we have to use the local dependent compare here. */
52 0 : if ( match_multistr(long_yes,s) )
53 0 : return 1;
54 0 : if ( *s && strchr( short_yes, *s ) && !s[1] )
55 0 : return 1;
56 : /* Test for "no" strings to catch ambiguities for the next test. */
57 0 : if ( match_multistr(long_no,s) )
58 0 : return 0;
59 0 : if ( *s && strchr( short_no, *s ) && !s[1] )
60 0 : return 0;
61 : /* Test for the english version (for those who are used to type yes). */
62 0 : if ( !ascii_strcasecmp(s, "yes" ) )
63 0 : return 1;
64 0 : if ( *s && strchr( "yY", *s ) && !s[1] )
65 0 : return 1;
66 0 : return def_answer;
67 : }
68 :
69 : int
70 0 : answer_is_yes ( const char *s )
71 : {
72 0 : return answer_is_yes_no_default(s,0);
73 : }
74 :
75 : /****************
76 : * Return 1 for yes, -1 for quit, or 0 for no
77 : */
78 : int
79 0 : answer_is_yes_no_quit ( const char *s )
80 : {
81 : /* TRANSLATORS: See doc/TRANSLATE about this string. */
82 0 : const char *long_yes = _("yes");
83 : /* TRANSLATORS: See doc/TRANSLATE about this string. */
84 0 : const char *long_no = _("no");
85 : /* TRANSLATORS: See doc/TRANSLATE about this string. */
86 0 : const char *long_quit = _("quit");
87 0 : const char *short_yes = _("yY");
88 0 : const char *short_no = _("nN");
89 0 : const char *short_quit = _("qQ");
90 :
91 : /* Note: we have to use a local dependent compare here. */
92 0 : if ( match_multistr(long_no,s) )
93 0 : return 0;
94 0 : if ( match_multistr(long_yes,s) )
95 0 : return 1;
96 0 : if ( match_multistr(long_quit,s) )
97 0 : return -1;
98 0 : if ( *s && strchr( short_no, *s ) && !s[1] )
99 0 : return 0;
100 0 : if ( *s && strchr( short_yes, *s ) && !s[1] )
101 0 : return 1;
102 0 : if ( *s && strchr( short_quit, *s ) && !s[1] )
103 0 : return -1;
104 : /* but not here. */
105 0 : if ( !ascii_strcasecmp(s, "yes" ) )
106 0 : return 1;
107 0 : if ( !ascii_strcasecmp(s, "quit" ) )
108 0 : return -1;
109 0 : if ( *s && strchr( "yY", *s ) && !s[1] )
110 0 : return 1;
111 0 : if ( *s && strchr( "qQ", *s ) && !s[1] )
112 0 : return -1;
113 0 : return 0;
114 : }
115 :
116 : /*
117 : Return 1 for okay, 0 for for cancel or DEF_ANSWER for default.
118 : */
119 : int
120 0 : answer_is_okay_cancel (const char *s, int def_answer)
121 : {
122 : /* TRANSLATORS: See doc/TRANSLATE about this string. */
123 0 : const char *long_okay = _("okay|okay");
124 : /* TRANSLATORS: See doc/TRANSLATE about this string. */
125 0 : const char *long_cancel = _("cancel|cancel");
126 0 : const char *short_okay = _("oO");
127 0 : const char *short_cancel = _("cC");
128 :
129 : /* Note: We have to use the locale dependent compare. */
130 0 : if ( match_multistr(long_okay,s) )
131 0 : return 1;
132 0 : if ( match_multistr(long_cancel,s) )
133 0 : return 0;
134 0 : if ( *s && strchr( short_okay, *s ) && !s[1] )
135 0 : return 1;
136 0 : if ( *s && strchr( short_cancel, *s ) && !s[1] )
137 0 : return 0;
138 : /* Always test for the English values (not locale here). */
139 0 : if ( !ascii_strcasecmp(s, "okay" ) )
140 0 : return 1;
141 0 : if ( !ascii_strcasecmp(s, "ok" ) )
142 0 : return 1;
143 0 : if ( !ascii_strcasecmp(s, "cancel" ) )
144 0 : return 0;
145 0 : if ( *s && strchr( "oO", *s ) && !s[1] )
146 0 : return 1;
147 0 : if ( *s && strchr( "cC", *s ) && !s[1] )
148 0 : return 0;
149 0 : return def_answer;
150 : }
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